Need One Less Problem? Eliminate False Fire Alarms

STI Universal Stopper® helps prevent false fire alarms while guarding against damage, dust and grime. Interior 95/105 dB horn sounds when cover is lifted, drawing attention in a hurry and deterring a prankster before the actual alarm is activated. Indoor/outdoor tough, polycarbonate cover, also available in Spanish or French. Fits most pull stations. UL/cUL.

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